Installing heptacom/dependency-resolver

The recommended way to install heptacom/dependency-resolver is through Composer.

Next, run the Composer command to install the latest stable version of dependency-resolver:

composer require heptacom/dependency-resolver

You can then later update dependency-resolver using composer:

composer update heptacom/dependency-resolver

Usage

$tree  = [
    'A' => [],
    'B' => ['A'],
    'C' => ['B'],
    'D' => ['C', 'A'],
    'E' => ['C', 'B'],
];
$resolution = (new \Heptacom\DependencyResolver\DependencyResolver())->resolve($tree);
print($resolution);
// ['A','B','C','D','E']

OR

$tree  = [
    'A' => ['B'],
    'B' => ['C'],
    'C' => ['A'],
];
$resolution = (new \Heptacom\DependencyResolver\DependencyResolver())->resolve($tree);
// RuntimeException : Circular dependency: C -> A

Documentation

• https://www.electricmonk.nl/log/2008/08/07/dependency-resolving-algorithm/
• http://mamchenkov.net/wordpress/2016/11/22/dependency-resolution-with-graphs-in-php/

Contributors

Joshua Behrens

• https://github.com/JoshuaBehrens

Anthony K GROSS (Original author)

• http://anthonykgross.fr
• https://twitter.com/anthonykgross
• https://github.com/anthonykgross

Copyright and license

Code and documentation copyright 2020. Code released under the MIT license.